Divide and simplify.
÷ 
A. 
B. z + 2
C. 
D. 
Answer: C
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Evaluate the integral.
dx
A. 
sin 2x + 
sin3 2x + C
B. 
sin 2x - 
sin3 2x + C
C. 5 sin 2x - 
sin3 2x + C
D. 
sin 2x - 
cos3 2x + C
The following question refers to a school district with three high schools. The total number of students in the district is 3000. The teachers within the district are apportioned to the high schools based on the schools' respective enrollments. The standard quota for each school is given in the following table.
Find each school's apportionment of teachers under Webster's method.
A. North: 17; Central: 52; South: 31 B. North: 18; Central: 51; South: 31 C. North: 19; Central: 51; South: 30 D. North: 18; Central: 52; South: 30 E. none of these
Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 3 × 2; none of these B. 6; row matrix C. 3; row matrix D. 2 × 3; none of these
Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 - 4x
A. (-4, 2); x = -4 B. (2, -4); x = 2 C. (-2, 4); x = -2 D. (4, -2); x = 4